Built by the O'Donnell chieftain in the 15th century, beside the River Eske, the Castle has extensive 17th-century additions by Sir Basil Brooke. The Castle is furnished throughout and includes Persian rugs and French tapestries. Information panels chronicle the history of the Castle owners from the O'Donnell chieftains to the Brooke family. Limited access for people with disabilities to the ground floor. As this site is managed by the OPW, qualifying school/educational visits are permitted free of charge provided certain conditions are met.